Exhibit 12.1

RATIO OF EARNINGS TO FIXED CHARGES

	Fiscal Year Ended December 31,										Nine Months Ended September 30,
	Dec. 31, 1999		Dec. 31, 2000		Dec. 31, 2001		Dec. 31, 2002		Dec. 31, 2003		2003		2004
Earnings
Pretax Income	$	21,138	$	129,878	$	151,026	$	192,098	$	229,373	$	188,985	210,334
Add:
Interest on indebtedness		49,691		38,271		30,982		23,848		25,590		19,576	18,268
Amortization of debt discount and issuance costs		344		231		393		441		447		335	359
Portions of rent representative of the interest factor		15,395		15,821		18,480		19,393		19,443		14,582	14,795
Income as adjusted	$	86,568	$	184,201	$	200,881	$	235,780	$	274,853		223,479	243,756
Fixed Charges
Interest on indebtedness	$	49,691	$	38,271	$	30,982	$	23,848	$	25,590		19,576	18,268
Amortization of debt discount and issuance costs		344		231		393		441		447		335	359
Portions of rent representative of the interest factor		15,395		15,821		18,480		19,393		19,443		14,582	14,759
Fixed Charges	$	65,430	$	54,323	$	49,855	$	43,682	$	45,480		34,494	33,422
Ratio of earnings to fixed charges		1.32		3.39		4.03		5.40		6.04		6.48	7.29